221 search results - page 13 / 45 » Detecting Unusual Activity in Video |
IJPRAI
2008
13 years 7 months ago
2008
We present a shape based method for automatic people detection and counting without any assumption or knowledge of camera motion. The proposed method is applied to athletic videos...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We study the problem of event detection from realistic videos with repetitive sequential human activities. Despite the large body of work on event detection and recognition, very ...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
This paper addresses recognition of human activities with stochastic structure, characterized by variable spacetime arrangements of primitive actions, and conducted by a variable ...
AVSS
2007
IEEE
14 years 1 months ago
2007
IEEE
We present a generalized extensible framework for automated recognition of swarming activities in video sequences. The trajectory of each individual is produced by the visual trac...
PCM
2004
Springer
14 years 26 days ago
2004
Springer
Inspired by the human immune system, and in particular the negative selection algorithm, we propose a learning mechanism that enables the detection of abnormal activities. Three ty...